OBSERVATORY ALMANAC · NOCTURNAL DISPATCH

Tonight under the Sky

4.43°S, 77.55°WAmerica/Lima

Daylight+76.7°

11:08:54

Fri, Oct 23, 2026

PHOTOMETRIC TWILIGHT SPECTRUM9h 25m of true darkness · 11h 46m total night

DaylightCivil (−6°)Nautical (−12°)Astro (−18°)Dark Sky (<−18°)

TRUE DARK SKY WINDOW

Sunset18:01

Civil Dusk18:22

Nautical18:47

Full Dark19:12

Nadir23:54

Dark Ends04:36

Nautical05:01

Civil Dawn05:26

Sunrise05:47

LIVE REAL-TIME OBSERVATION

SunsetSunrise

LOCAL SKY PLANISPHERE · STEREOGRAPHIC PROJECTION

All-Sky Nocturnal Dome

Click any body to inspect telemetry

LUNAR EPHEMERISWaxing Gibbous

ILLUMINATION92%

ALTITUDE-70.3°

DISTANCE380,391 km

Moonrise16:00

Moonset03:36

HorizonBelow

LUNAR INTERFERENCE INDEX0% · Minimal Lunar Glare

Sky background remains dark; faint nebulae and distant galaxies are distinct.

ATMOSPHERIC SEEING & CLOUD PROFILETonight's Index

42/100

Fair Stargazing

Partial haze or lunar wash. Bright clusters, double stars, and prominent planets remain well visible.

CLOUD COVER15%

HUMIDITY50%

VISIBILITY18 km

DEW POINT10.8°C

PLANETARY EPHEMERIS & ALMANAC

Visible Planets Tonight

All times calibrated to America/Lima

PLANET	STATUS	MAGNITUDE	ALTITUDE	AZIMUTH	CONSTELLATION	RISE	TRANSIT	SET	EQUIPMENT
Venus♀	Optimal Visibility	-4.3	73.4°	146°	Libra	05:41	11:47	17:54	Naked Eye
Jupiter♃	Optimal Visibility	-2.0	36.1°	291°	Leo	01:48	07:45	13:42	Naked Eye
Saturn♄	Below Horizon	0.3	-82.6°	114°	Pisces	16:39	22:40	04:45	Naked Eye
Mars♂	Visible Low	1.0	27.2°	293°	Cancer	01:14	07:11	13:07	Naked Eye
Mercury☿	Optimal Visibility	0.4	55.8°	122°	Libra	07:03	13:12	19:20	Binoculars
Uranus♅	Below Horizon	5.6	-41.8°	294°	Taurus	20:16	02:15	08:10	Binoculars
Neptune♆	Below Horizon	7.8	-75.0°	109°	Pisces	16:09	22:10	04:15	Telescope

TONIGHT'S VIEWING SCHEDULE

When & Where to Look Tonight

A simple guide to when each object is above your horizon. No astronomy chart reading required.

BEST TIMEHighest in your sky

The MoonNaked Eye · High in the sky

RISES16:00

BEST TIME22:10N · 81° high

SETS03:36

Reaches about 81° above the horizon at its highest point.Waxing Gibbous (92% illuminated). Minimal Lunar Glare.

JupiterNaked Eye · High in the sky

RISES01:48

BEST TIME07:45N · 71° high

SETS13:42

Reaches about 71° above the horizon at its highest point.Bright golden disc; four Galilean moons easily seen in 7x50 binoculars.

SaturnNaked Eye · High in the sky

RISES16:39

BEST TIME22:40N · 84° high

SETS04:45

Reaches about 84° above the horizon at its highest point.Pale amber jewel; majestic ring system visible in any 60mm telescope.

VenusNaked Eye · High in the sky

RISES05:41

BEST TIME11:47S · 76° high

SETS17:54

Reaches about 76° above the horizon at its highest point.Brilliant dazzling beacon; visible crescent phase in small telescope.

MarsNaked Eye · High in the sky

RISES01:14

BEST TIME07:11N · 68° high

SETS13:07

Reaches about 68° above the horizon at its highest point.Distinctive crimson hue; polar ice cap discernible near opposition.

OBSERVING LOG & TARGET LIST

Tonight's Prime Deep-Sky Targets

0 / 6 targets logged tonight

M31 / NGC 224 · Andromeda

Andromeda Galaxy

Spiral Galaxy (2.5M ly)

Our galactic neighbor; visible as a ghostly oval smudge with dense radiant stellar core.

M45 · Taurus

The Pleiades (Seven Sisters)

Open Star Cluster

Breathtaking blue diamond cluster enshrouded in delicate interstellar reflection nebulosity.

M42 / NGC 1976 · Orion

Great Orion Nebula

Diffuse Emission Nebula

Star nursery harboring the brilliant Trapezium cluster with sprawling bat-wing filaments.

NGC 869 & NGC 884 · Perseus

The Double Cluster

Twin Open Clusters

Pair of spectacular shimmering jewel-boxes bursting with ruby supergiant stars.

M13 / NGC 6205 · Hercules

Great Globular Cluster in Hercules

Globular Cluster (300k stars)

Massive beehive of ancient stars packed tightly together into a blazing central ball.

M57 / NGC 6720 · Lyra

The Ring Nebula

Planetary Nebula

Delicate glowing smoke-ring left behind by a dying star 2,500 light-years away.